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Finding the Fourth Proportional to 103,666.26, 143,059.65 and 58,954.26

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Solution

The fourth proportional to 103,666.26, 143,059.65 and 58,954.26 is: 81,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.26 : 143,059.65 = 58,954.26 : x
  2. Step 2: Convert to fraction form
    103,666.26/143,059.65 = 58,954.26/x
  3. Step 3: Cross multiply
    103,666.26x = 143,059.65 × 58,954.26
  4. Step 4: Simplify right side
    103,666.26x = 8,433,975,801.61
  5. Step 5: Solve for x
    x = 8,433,975,801.61/103,666.26
  6. Step 6: Final answer
    x = 81,357.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.